package com.itheima.reggie.common;

import lombok.Data;


import java.util.HashMap;
import java.util.Map;

/*
 * 表现层的封装统一的结果数据
 * code
 * msg
 * map
 * data
 */
@Data
public class R<T> {
    private Integer code;//编码:1:成功.0:和其他的数字为失败
    private String msg;//错误信息
    private T data;//数据
    private Map map = new HashMap();//动态数据

    public static <T> R<T> success(T object) {
        R<T> r = new R<T>();
        r.data = object;
        r.code = 1;
        return r;
    }

    public static <T> R<T> error(String msg) {
        R r = new R();
        r.msg = msg;
        r.code = 0;
        return r;
    }

    public R<T> add(String key, Object value) {

        this.map.put(key, value);
        return this;
    }


}
